The phrase "a considerable sample" is correct and usable in written English.
It can be used when referring to a sample size that is large enough to be statistically significant or representative in research or analysis.
Example: "In our study, we collected a considerable sample of responses to ensure the validity of our findings."
Alternatives: "a substantial sample" or "a significant sample".
A considerable sample of Italian young people were interviewed using standardized questionnaires.
An inquiry using this survey was carried out on a considerable sample of students from four countries of Balkan region, studying different directions of computer science.
Despite being a study with a considerable sample size, some organizational and methodological aspects could render the results unreproducible outside that environment.
In another phase of the study, focus was on the agreement rates between PT nurses and PEM physicians using ESI v.4 on a considerable sample population to shed light on practical shortcomings.
He owns a 4.32 ERA in 152 career postseason innings — a considerable sample size across eight years — and he was inconsistent again this October.
Also, while 490 patients represent a considerable sample, other data sets are required to validate these findings.
The analysis showed that CSM will at best detect large effects on ubiquitous butterflies, whilst the detection of small effects would need a considerable sampling effort.
Moreover, using such indexes demands a considerable sampling effort if diversity in a range of invertebrate and vertebrate animals needs to be assessed e.g. in high biodiversity tropical forests.
In addition, these results may be biased by the fact that, with the exception of Brazil (males = 20 females = 18), West South Africa (55∶49) and Mayotte/Comoros (57∶18), there is a considerable sampling bias toward males on these breeding grounds [84] (see Table 1).
The present study of serum levels of mood stabilizers and cognition is one of the first studies in a considerable large sample of psychosis spectrum patients, and although in need of replication, gives reason to believe that lamotrigine, valproate, and lithium can be administered across the dosage ranges without broad cognitive adverse effects.
A population survey needs a considerable larger sample size than a microenvironmental survey because the unit of observation is an individual.
